Extra Support Struts - two pieces 4 3/4" wide by 1/2" high, two pieces
5 9/16" wide by 1/2" high. These are placed underneath the film
panel inside the box to help support the film panel [not shown above for clarity]

[can
also make an extra set for under the pinhole plane]

6) Assembly

a) Measure
and cut panels

,

b) Mark
with pencil on panels 1,3,4 where the support struts will go,

c) Assemble
panels 1,2,3,4 using panel #1 to align to,

d) Add
support struts

, and

e) Add
film panel

.

7) Front panel
options

a) Straight
pinhole designs, zoneplates and hyperfocal cameras

b) Multiple
holes, overlapped and separated

c) Double
slit and double zone

NOTE: Two
front panels needed [pinhole side]. The second panel is recessed into the
interior of the box the desired amount for the second focal length. The measurements
of the box will be based on the longest focal length used.